| 释义 |
▪ I. disproˈportionate, a.
[f. dis- 10 + proportionate a. Cf. F. disproportionné (16th c.): see -ate2.]
Out of proportion; failing to observe or constitute due proportion; inadequately or excessively proportioned. Const. to.
1555Eden Decades 189 His toonge..very longe and thynne and much disproportionate to his bodye. 1614Selden Titles Hon. 135 Neither is this annointing much disproportionat to that. 1722Wollaston Relig. Nat. ix. 181 A long repentance is a disproportionate price for a short enjoyment. 1862H. Spencer First Princ. ii. iv. §53 (1875) 176 Effects extremely disproportionate to causes. 1867Freeman Norm. Conq. (1876) I. iv. 246 Dwelling at an apparently disproportionate length on some subjects.
▪ II. disproˈportionate, v. Chem.
[Back-formation from next.]
intr. To undergo disproportionation.
1934in Webster. 1946Nature 9 Nov. 673/1 The monoethoxy compound..is unstable at room temperature, disproportionating rapidly into SiF4 and (C2H5O) SiF2... The triethoxy compound is the most stable of the three, having no tendency to disproportionate even at temperatures near its boiling point. 1950A. F. Wells Structural Inorg. Chem. v. 144 Many lower halides disproportionate into a mixture of metal and higher halide. 1964J. W. Linnett Electronic Struct. Molecules iii. 51 The ion contains an odd number of electrons and, in this environment, does not disproportionate to O2 or O= 2 , both of which contain an even number of electrons. |